Coupler assembly for attachment to a vertically disposed surface



FIG. 1 is a perspective view of a design for a coupler assembly for attachment to a vertically disposed surface;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a right side elevational view thereof. 

CLAIM The ornamental design for a coupler assembly for attachment to a vertically disposed surface, as shown and described. 